Talking about how to calculate the starting voltage of DC cooling fan?
Release time:
2021-01-18
First of all, let's understand what it is.DC cooling fanstarting voltage and rated voltage.
1. Starting voltage: refers to the minimum voltage that can make the fan start when suddenly powered on.
2. Working voltage: refers to the stable voltage that can make the fan run normally after power-on, that is, the rated voltage.
Secondly, what is the relationship between the starting voltage and the rated voltage?
Starting voltage, the rated voltage of the DC fan is generally 12V, and the starting voltage is generally below 7V. Because the voltage provided by the system may be unstable, if the starting voltage is lower, the distance from the rated voltage 12V is larger, which means that the DC fan can operate The wider the voltage range, it can ensure that the low voltage can activate the starting fan when the voltage is unstable. Then: the test method of starting voltage.
The size of the starting voltage value can be measured with a multimeter and other detection tools. The low working current of the fan not only reduces the power consumption, but also reduces the heat generation of the fan motor, which can increase the service life of the fan. For oil-containing fans, the volatilization of lubricating oil can also be slowed down, so the lower the current, the higher the fan reliability. When the delivered air volume and wind pressure are unchanged, the lower the fan current, the smaller the shaft power, while the actual power transmitted to the gas is unchanged, the higher the fan efficiency. The working current of the fan can be observed by an ammeter.
More fan knowledge in Shenzhen Jiangshanlai Electronic Technology Co., Ltd.
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